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NET INCOME PER COMMON SHARE - Additional Information (Details) - shares
1 Months Ended 12 Months Ended
May 31, 2013
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Anti-dilutive equity awards excludable under the treasury stock   40,000 15,000 15,000
Cumulative Redeemable Preferred Stock, Series E [Member]        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Preferred stock, dividend rate 7.50% 7.50% 7.50%